Home / 39,976,872-59,989,190.40-36,724,423.68

Finding the Fourth Proportional to 39,976,872, 59,989,190.40 and 36,724,423.68

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Solution

The fourth proportional to 39,976,872, 59,989,190.40 and 36,724,423.68 is: 55,108,574.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,976,872 : 59,989,190.40 = 36,724,423.68 : x
  2. Step 2: Convert to fraction form
    39,976,872/59,989,190.40 = 36,724,423.68/x
  3. Step 3: Cross multiply
    39,976,872x = 59,989,190.40 × 36,724,423.68
  4. Step 4: Simplify right side
    39,976,872x = 2,203,068,444,469,788.50
  5. Step 5: Solve for x
    x = 2,203,068,444,469,788.50/39,976,872
  6. Step 6: Final answer
    x = 55,108,574.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.